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Centre de recherche sur les Ions, les MAtériaux et la Photonique (UMR 6252) - High-power Nd-doped fiber laser sources near 900 nm
![SOLVED: You have a four-level laser that emits radiation at 900 nm. Draw the energy diagram of a four-level laser and define the transition that is responsible for 900 nm laser radiation. SOLVED: You have a four-level laser that emits radiation at 900 nm. Draw the energy diagram of a four-level laser and define the transition that is responsible for 900 nm laser radiation.](https://cdn.numerade.com/previews/54d16ef1-66bb-4b97-b536-db02c6ba3c31_large.jpg)
SOLVED: You have a four-level laser that emits radiation at 900 nm. Draw the energy diagram of a four-level laser and define the transition that is responsible for 900 nm laser radiation.
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